Trig Values

{
  "asOf": "2026-10-11T08:51:20.422Z",
  "cos": 0.866025403784,
  "cot": 1.73205080757,
  "csc": 2,
  "degraded": false,
  "degrees": 30,
  "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
  "exactCos": "sqrt(3)/2",
  "exactSin": "1/2",
  "exactTan": "sqrt(3)/3",
  "notChecked": [
    "angles of enormous magnitude where double-precision argument reduction loses accuracy",
    "exact forms other than multiples of 30 and 45 degrees"
  ],
  "radians": 0.523598775598,
  "reasons": [
    "Computed in double precision; values within 1e-15 of zero are shown as 0.",
    "Reciprocals: sec = 1/cos, csc = 1/sin, cot = 1/tan."
  ],
  "reducedAngleDeg": 30,
  "sec": 1.15470053838,
  "sin": 0.5,
  "source": "computed locally",
  "summary": "30 deg: sin 0.5, cos 0.8660254038, tan 0.5773502692 (exact: sin 1/2, cos sqrt(3)/2, tan sqrt(3)/3).",
  "tan": 0.57735026919,
  "verdict": "COMPUTED"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://math-geometry.x402tookit.com/trig-values?angle=30&unit=deg'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://math-geometry.x402tookit.com/trig-values?angle=30&unit=deg' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fmath-geometry.x402tookit.com%2Ftrig-values
const res = await pay("https://math-geometry.x402tookit.com/trig-values?angle=30&unit=deg");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://math-geometry.x402tookit.com/trig-values?angle=30&unit=deg")
    print(res.status_code, res.text)