5(a) Is 1+tant=sint(csct+sect)TRUE for all values of t? If YES, prove the identity. Otherwise, disprove the identity. (b) Is cos^2=sin^2-1TRUE for all values of x? If YES, prove the identity. Otherwise, disprove the identity. (c) Is sin^2t-cot^2t=-sin^2t cot^2tTRUE for all values of t? If YES, prove the identity. Otherwise, disprove the identity. **Pls help me in a clear worksheet with accurate step by step solution pls** thank you so much

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